Description:

Serial Connectivity for Advanced RF Mesh Networks

The Landis+Gyr Series 4 and 5 IWR Radios helps form the powerful Gridstream RF wireless mesh network used in Distribution Automation and Demand Response applications. The radio provides the basic mesh functions such as full two-way peer-to-peer communication to all devices within the network, asynchronous spread spectrum frequency hopping, and dynamic message routing to ensure network performance and reliability.

The IWR Radio can be used as a DA access point for the mesh network but is typically used to directly interface with intelligent end devices such as reclosers, switches, and capacitor banks. It offers additional advanced functionality such as individual message prioritization, automatic network registration, and onboard memory for localized intelligence. Through the use of programmable applets, the radios can be used to provide distributed device control capabilities.

The radio has one RS-232 port and one RS-232/485 serial port – a LAN Packet Protocol Port and a Transparent Port. The LAN Packet Protocol Port is used to communicate to devices through the LAN Packet Protocol (LPPx), such as PC with configuration or diagnostic software, or an end device that has implemented LPPx. The Transparent Port is a general data port that is used to transport byte-oriented data, such as DNP 3.0, Modbus, or DF1.

The IWR Radios are housed in an extruded aluminum enclosure and operate on 6 to 28 VDC. The radios utilize a standard SMA-type, female antenna connection and a bi-colored LED is used for radio status information.

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